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Statistical unit self-adaption-based ecological space analysis method and system

A technology of spatial analysis and statistical units, applied in the field of geographic information spatial analysis, can solve problems such as large area differences, large differences in analysis scene calculation workload, long index execution cycle, etc., and achieve high statistical efficiency and excellent statistical effects.

Active Publication Date: 2021-10-29
MINISTRY OF ECOLOGY & ENVIRONMENT CENT FOR SATELLITE APPL ON ECOLOGY ENVIRONMENT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Between different types of analysis ranges, or between different areas of the same type of range, the area varies greatly or even greatly, resulting in a large difference in the calculation workload of analysis scenarios in different ranges
[0006] (2) Analysis scenarios are diverse and complex
In this process, cumbersome data preprocessing and sorting processes are involved, and technicians usually can only split subtasks within the scope of the analysis area itself. Subtasks take far longer than other subtasks, which ultimately leads to a long overall execution cycle for this type of indicator

Method used

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  • Statistical unit self-adaption-based ecological space analysis method and system
  • Statistical unit self-adaption-based ecological space analysis method and system
  • Statistical unit self-adaption-based ecological space analysis method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0110] Analysis of changes in ecosystem classification within 10 kilometers of a watershed from 2015 to 2019:

[0111] First, statistical analysis parameter parsing:

[0112] Analysis range: area distribution range, without standard administrative division attributes.

[0113] Analysis scenario: analysis target data ecosystem classification, characterized by full coverage, large data volume, and high data accuracy; the analysis type is longitudinal superposition analysis of two time phases, and the analysis and calculation complexity is relatively high.

[0114] Statistical requirements for analysis results: Only the summary results within 10 kilometers of a certain watershed need to be counted.

[0115] Secondly, the regular geographic grid unit is used to divide the subtasks. The key steps are as follows:

[0116] S1: Generate a regular geographic grid of appropriate size based on the 10-kilometer area of ​​the watershed. See attached figure 2 The analysis range of the...

Embodiment 2

[0123] Analysis of human activities within the red line of ecological protection in a mountainous area in 2020:

[0124] First, statistical analysis parameter parsing:

[0125] Scope of analysis: 39 counties (districts) in a mountainous area, each with an area of ​​more than 100 square kilometers, and 353 townships under the jurisdiction of 39 counties (districts).

[0126] Analysis scene: the horizontal overlay analysis and statistics of the two thematic data of the ecological protection red line layer and the human activity map spot, both data are not fully covered, but there are many ecological protection red line map spots and a large amount of data;

[0127] Statistical requirements for analysis results: It not only statistically displays the summary of human activities within the ecological red line of a mountainous area, but also drills to display the situation within the respective ranges of the 39 counties.

[0128] Secondly, use the administrative division unit to d...

Embodiment 3

[0135] Implementation example 3: Analysis of ecological land occupied by human activities in a designated area in 2020

[0136] Analysis of statistical analysis parameters:

[0137] Scope of analysis: the key areas composed of three provincial-level administrative divisions, and the area of ​​the second-level administrative divisions under the three administrative divisions is mostly more than 100 square kilometers, and there are large differences in area between them.

[0138] Analysis scenario: Horizontal superposition analysis and statistics of two thematic data of human activity map and ecosystem classification, one of the two data is fully covered, and the other is not fully covered, and the amount of ecosystem classification data is relatively large;

[0139] Statistical requirements for the analysis results: not only statistically display the summary of ecological land occupation by human activities in a designated area, but also drill down to display the respective con...

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Abstract

The invention provides a statistical unit self-adaption-based ecological space analysis method and system. The method comprises the steps of determining and receiving an analysis range and input of analysis target data and indexes; according to the analysis range and the analysis target data and indexes, judging a subtask unit division mode, and obtaining the range of each analysis unit; performing spatial superposition on analysis target data by using an analysis unit range, extracting target data elements in each analysis unit range, and adding the same analysis unit identifier to the target data elements falling into the same analysis unit range so as to obtain a sub-task unit; distributing all the sub-task units to different computing nodes, so that all the nodes execute respective sub-tasks. According to different analysis ranges, analysis data and indexes and analysis result statistical expression requirements, the method is automatically split into a plurality of suitable subtasks, computing resources in a parallel computing environment can be utilized to the maximum extent, and better analysis statistical efficiency is obtained.

Description

technical field [0001] The invention relates to the technical field of geographic information spatial analysis, in particular to an ecological spatial analysis method and system based on statistical unit self-adaptation. Background technique [0002] In the eco-environmental protection business, spatial analysis and statistical work has the following characteristics: [0003] (1) The scope of analysis is diversified and the area varies greatly [0004] The division of the scope of analysis includes standard administrative divisions and special areas: standard administrative divisions are used for analysis and statistics, and different levels of provinces, cities, and counties are distinguished; special areas are used for analysis and statistics, such as ecological protection red line areas, nature reserves, Key areas, key watersheds, etc.; use custom ranges to analyze statistics. [0005] Between different types of analysis ranges, or between different areas of the same ty...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/26G06Q10/06G06F17/18G06F16/29
CPCG06Q50/26G06Q10/06393G06F16/29G06F17/18
Inventor 毕晓玲肖桐申文明高吉喜李晶云张雪史园莉蔡明勇王丽霞董路明吴玲陈绪慧申振王卫京
Owner MINISTRY OF ECOLOGY & ENVIRONMENT CENT FOR SATELLITE APPL ON ECOLOGY ENVIRONMENT
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